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10th CBSE
IMPORTANT
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Which of the following does make a homogeneous mixture?

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Important Questions on Practicals

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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 9 - Practicals>EXERCISES>Q 40
The colour of copper sulphate crystal is:
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 9 - Practicals>EXERCISES>Q 41
Which of the following represents the formula of blue vitriol?
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 9 - Practicals>EXERCISES>Q 42
When a copper plate is dipped into a solution of ferrous sulphate, the colour of the solution will change to:
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 9 - Practicals>EXERCISES>Q 43
In the reaction, Cu2++Fe→Cu +Fe2+ the substance that is oxidised is
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 9 - Practicals>EXERCISES>Q 44
The valency of copper in CuSO4.5H2O is
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 9 - Practicals>EXERCISES>Q 45
When magnesium is burnt in oxygen, the compound formed is
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10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 9 - Practicals>EXERCISES>Q 46
When magnesium burns in air, another compound is formed along with magnesium oxide. Name the compound. 
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 9 - Practicals>EXERCISES>Q 47
Burning of a magnesium ribbon in air takes place with